Engagement Concern: Feel-Soft/Slipping (Some/All)

WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

ENGAGEMENT CONCERN: FEEL-SOFT/SLIPPING (SOME/ALL)

Possible Component	Reference/Action
213 - ROUTINE
Powertrain Control System
PCM, vehicle wiring harnesses, Shift Solenoids A, B, C, Pressure Control Solenoids A, B, C, D, Intermediate Shaft Speed sensor, Transmission Fluid Temperature (TFT) sensor, IAT Sensor, VSS input	Carry out on-board diagnostic tests. For additional information, See INTRODUCTION - GASOLINE article for diagnosis and testing of the PCM, IAT and VSS. GO to PINPOINT TEST A , GO to PINPOINT TEST B , GO Test D and GO to PINPOINT TEST E . Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test.
Some Shifts Soft/Slipping ONLY
	If only some of the shifts are soft/slipping, determine which shift(s) is missing. Refer to the following routine(s) for further Soft/Slipping concerns: Soft/Slipping 1-2 Shift, Routine 226 Soft/Slipping 2-3 Shift, Routine 227 Soft/Slipping 3-4 Shift, Routine 228 Soft/Slipping 4-5 Shift, Routine 272 Soft/Slipping 5-4 Shift, Routine 273 Soft/Slipping 4-3 Shift, Routine 229 Soft/Slipping 3-2 Shift, Routine 230 Soft/Slipping 2-1 Shift, Routine 231
Fluid
Incorrect level	Adjust to the correct level. Refer to TRANSMISSION FLUID LEVEL CHECK in this article.
Condition	Carry out Fluid Condition Check. Refer to PRELIMINARY INSPECTION in this article.
Incorrect Pressures
High/low pressures	Check pressure at line and PC C taps. Carry out Line Pressure Test. Refer to SPECIAL TESTING PROCEDURES in this article.
Main Control
Screws not tightened to specification	Tighten to specification.
Separator plate damaged	Inspect for damage. If damaged, install a new separator plate.
Contamination	Disassemble and clean.
Valves, springs damaged, misassembled, missing, stuck or bore damaged	If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage.
Filter damaged, missing	Inspect for damage, repair as necessary.
Fluid Pump Assembly
Screws not tightened to specification	Tighten screws to specification.
Gasket damaged	Inspect for damage. If damaged, install a new gasket.
Porosity, cross leaks, ball missing, plugged hole	Inspect for damage. If damaged, repair as necessary.
Pump gears cracked and/or seized	Inspect for damage. Install a new pump.
Flow control valves, springs, or seals damaged, stuck or not assembled correctly	Inspect for damage. Install a new seal or flow control valve.
Coast Clutch Assembly
Seals, piston damaged	Inspect for damage. Repair as necessary.
Check ball damaged, missing, not seating, off location	Inspect for mislocation, poor seating, damage. Install a new cylinder.
Friction elements damaged or worn	Inspect for damage. Repair as necessary.
Return springs damaged	Inspect for damage. Repair as necessary.
Center Support
Screw not tightened to specification	Tighten to specification.
Seal rings or bearings damaged	Inspect for damage. Repair as necessary.
Outside diameter of case bore damage	Inspect for damage. Repair as necessary.
Support damaged or leaking	Inspect for damage. Repair as necessary.
Intermediate Servo
Servo retaining screws damaged	Inspect for damage. Repair as necessary.
Seals (piston and cover) damaged	Inspect for damage. Repair as necessary.
Intermediate Band
Band damaged	Inspect for damage. Repair as necessary.
Servo worn or damaged	Inspect for damage. Repair as necessary.
Not adjusted correctly	Inspect for damage. Repair as necessary.
Direct Clutch Assembly
Seals, piston damaged	Inspect for damage. Repair as necessary.
Check ball damaged, missing, not seating, off location	Inspect for mislocation, poor seating, damage. Install a new cylinder.
Friction elements damaged or worn	Inspect for damage. Repair as necessary.
Return springs damaged	Inspect for damage. Repair as necessary.
Forward Clutch Assembly
Seals, piston damaged	Inspect for damage. Repair as necessary.
Check ball damaged, missing, not seating, off location	Inspect for mislocation, poor seating, damage. Install a new cylinder.
Friction elements damaged or worn	Inspect for damage. Repair as necessary.
Return springs damaged	Inspect for damage. Repair as necessary.
Bronze seal ring or bearing damaged	Inspect for damage. Repair as necessary.
Reverse Servo
Servo retaining screws damaged	Inspect for damage. Repair as necessary.
Seals (piston and cover) damaged	Inspect for damage. Repair as necessary.
Reverse Band	Inspect for damage. Repair as necessary.
Band damaged	Inspect for damage. Repair as necessary.
Servo worn or damaged	Inspect for damage. Repair as necessary.
Not adjusted correctly	Inspect for damage. Repair as necessary.
Case
Damaged	Inspect for damage. Repair as necessary.
Torque Converter Assembly
Torque Converter internal failure preventing engagement, piston release	Remove the transmission. Inspect for damage. Refer to TORQUE CONVERTER in the General Procedures portion of this article. If the torque converter fails to pass the criteria or is damaged, install a new or remanufactured torque converter.